Question

(a+b+c)^2 + (a-b-c)^2

Simplify this:
plz give full explanation,then i will mark as branalist.​​

Answer 1

Answer:

is that ok or not

Step-by-step explanation:

$[a^{2}+ b^{2} +c^{2} +2abc] + [a^{2} +b^{2}+ c^{2} -2abc]\\2[a^{2}+ b^{2}+ c^{2} ]$